I am trying to display points (a pointcloud actually) using WebGL. The past 2 days I spent going through this tutorial and still have a lot of my code based on it.
I am attempting to load a .ply file ...

I tried picking using color index technique but i want to do using raycasting technique and also to add 3d lable on the picked 3d point.
I am new to webgl and i want a sample code on how to do pick ...

I can't get toDataUrl() to work. Here's my code where I'm trying to get an image of the canvas and use it as the source of an existing image element.
var canvas = document.getElementById('glcanvas');
...

I ask for your help because I miss the last subject (computer graphics) and in my graduate program there is the possibility to do the thesis in order to avoid the writing of the last subject.
But I ...

I'm trying to display multiple textured objects using HTML5 and WebGL. The problem is that the textures are being shaded very dark. I believe it has to be something with the way my shaders are being ...

I want to draw different point sizes during mousemove events using webGL. For example, I press the mouse and draw points with size of 1 pixel. Then select a different size and when I press the mouse ...

I'm trying to do some data visualization and I want to make spheres light up (glow, pulsate) when I click on them. I'm new to webGL. There's a chrome experiment here that does it. Basically all those ...

Is there any way to integrate softbody physics with WebGL or threejs? Could I integrate for example PhysX engine somehow?
I need to move a 3d rigid body within a 3d soft body and have the soft body ...

Been learning ThreeJS over the past day or so however I'm struggling with Shaders.
I'm trying to blur a geometry i have. I tried using Depth Of Field with the examples found on the Three.js site but ...

I created a simple scene here http://********.net, everything works great, except that for whatever reason Firefox doesn't render my scene, even though I'm getting output from the firebug's console ...

First time using three.js and I'm doing a very simple particle animation in which I'm mapping 4 different textures. So far everything is working as desired except that I can't figure out how to rotate ...

I would like to build a webpage with a flock of birds flying around on it. White background, black, "bird-shapes" to begin with - I'm thinking folding triangles. Eventually I would be interested to ...

I am using WebGL and custom shaders. In the fragment shader I need to do some precise integer math in order to index a tiled texture.
I seem to get rounding errors however, for some values, e.g. on ...

Using three.js r71. I can't figure out why my texture is not being read by the ShaderMaterial. The plane is just black. I need a pair of fresh eyes to help me pinpoint what is wrong.
Thanks a lot !
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http://webglstats.com/ seems to not have information on what percentage of devices/browsers support highp in the fragment shader.
Most sources report that highp won't work on older mobile hardware, ...

I've got a LibGDX game with cartoon clouds with a smooth gradient. There are other examples of gradients in the game that have a similar issue, but the clouds are the most obvious example. They look ...

I am using WebGL to draw polygons on a canvas layer on top of my map for OSM data. I am first plotting the coordinate points for each polygon and trying to connect those points using gl.LINES. I have ...

I am trying to generate a triangle which will be subdivided recursively. I am pushing the points to an array after each recursion. After getting out of the recursion I am rendering the triangle. But I ...

I try to create a webGL-based icon-Clustering with an array of self-hosted images.
My approach was to combine the iconSprites-WebGL-Example with ol.clusterSource.
The ClusterLayer shoes up, but it is ...

I have a webgl game and I want to put it in facebook secure canvas. Since dropbox is https secure, I want to upload the game there and paste the link to the facebook secure canvas settings, but I got ...